A state of emergency has been declared. 已宣布进入紧急状态。
Mr Steel has been declared bankrupt 斯蒂尔先生被宣布破产了。
We celebrate September 16, the day when Mexico declared independence from Spain (= officially stated that it was no longer ruled by Spain ) . 我们在9月16日举行庆祝活动，这一天是墨西哥摆脱西班牙统治宣布独立的日子。